under-drive pullies?
12-14-2007, 04:18 PM
1st Gear Member
Thread Starter
Join Date: Oct 2007
Location:
Posts: 86
under-drive pullies?
just wondering what these do and what the benifits are of them, do they increase hp or are they just a cosmetic bolt on?
12-14-2007, 04:20 PM
3rd Gear Member
Join Date: Jul 2006
Location: Kentucky
Posts: 913
RE: under-drive pullies?
They do supposedly add hp, but it's not enough to really notice so i guess you could call it a cosmetic bolt-on.
12-14-2007, 04:39 PM
3rd Gear Member
Join Date: Dec 2006
Location: chicago
Posts: 875
RE: under-drive pullies?
iv heard that some people feel it and some dont, every one has a different idea
12-14-2007, 06:03 PM
1st Gear Member
Join Date: Aug 2006
Location:
Posts: 70
RE: under-drive pullies?
I think March claims about 25 hp increase but When i put mine on i couldnt tell, but thats cuz I never had stock pulleys to begin with. I think the real gain is if you delete the smog pump or the a.c. compressor, that'll definatly give you some more hp.
12-14-2007, 06:40 PM
4th Gear Member
Join Date: Mar 2006
Location: CA
Posts: 1,836
RE: under-drive pullies?
i lost .3 of my et
. gave me a better acceleration. mine are aluminum udp's, but i got them used i would not get them new. too much money
12-14-2007, 08:45 PM
1st Gear Member
Thread Starter
Join Date: Oct 2007
Location:
Posts: 86
RE: under-drive pullies?
thanks for the feedback fellas, i think im gonna stay with what i have seeing that i have deleted smog power steering as well as ac, so basicly im runin an alternator and water pump, the must haves
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